block: Don't access request after it might be freed

[pandora-kernel.git] / fs / ext4 / fsync.c

diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 00a2cb7..bb6c7d8 100644 (file)
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -89,6 +89,7 @@ int ext4_flush_completed_IO(struct inode *inode)
                io = list_entry(ei->i_completed_io_list.next,
                                ext4_io_end_t, list);
                list_del_init(&io->list);
+               io->flag |= EXT4_IO_END_IN_FSYNC;
                /*
                 * Calling ext4_end_io_nolock() to convert completed
                 * IO to written.
@@ -108,6 +109,7 @@ int ext4_flush_completed_IO(struct inode *inode)
                if (ret < 0)
                        ret2 = ret;
                spin_lock_irqsave(&ei->i_completed_io_lock, flags);
+               io->flag &= ~EXT4_IO_END_IN_FSYNC;
        }
        spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
        return (ret2 < 0) ? ret2 : 0;